| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] and [verb] what [is] | 9 |
|
| 2 | [vb infin] [coord] [vb infin] what [is] | 9 |
|
| 3 | [vb infin] [coord] [verb] what is | 5 |
|
